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| n | a(n) |
|---|---|
| 1 | 61 |
| 2 | 3721 |
| 3 | 180294 |
| 4 | 8688551 |
| 5 | 417476451 |
| 6 | 20061347530 |
| 7 | 964232197214 |
| 8 | 46342878010975 |
| 9 | 2227208361171493 |
| 10 | 107037437137291874 |
| 11 | 5144073029981454466 |
| 12 | 247217125357454922329 |
| 13 | 11880914300903502206370 |
| 14 | 570980378586885004101078 |
[61,3721,180294,8688551,417476451,20061347530, 964232197214,46342878010975,2227208361171493, 107037437137291874,5144073029981454466, 247217125357454922329,11880914300903502206370, 570980378586885004101078] |